Home / 69,785.56-104,678.39-17,195.05

Finding the Fourth Proportional to 69,785.56, 104,678.39 and 17,195.05

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Solution

The fourth proportional to 69,785.56, 104,678.39 and 17,195.05 is: 25,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,785.56 : 104,678.39 = 17,195.05 : x
  2. Step 2: Convert to fraction form
    69,785.56/104,678.39 = 17,195.05/x
  3. Step 3: Cross multiply
    69,785.56x = 104,678.39 × 17,195.05
  4. Step 4: Simplify right side
    69,785.56x = 1,799,949,931.26
  5. Step 5: Solve for x
    x = 1,799,949,931.26/69,785.56
  6. Step 6: Final answer
    x = 25,792.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.